find_orb : Find

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This group is for discussion of the Find_Orb orbit determination software (http://www.projectpluto.com/find_orb.htm). This free software allows one to determine orbital elements and ephemerides from raw astrometric data. General discussion of orbit determination issues is also welcome.

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Re: covar.txt not getting written out with the Apr 19 2012 DEV versi Hi Peter, It took me a little while to figure out a fix for this. I've just uploaded a new development version to Posted - Sun May 20, 2012 7:39 pm	Bill J Gray pluto@... Send Email
Detlef Koschny is out of the office I am out of the office from Thu 2012-05-10 until Mon 2012-05-21. I will be traveling these days and only have irregular access to email. For all urgent Posted - Fri May 18, 2012 11:01 pm	Detlef.Koschny@... dkoschny Offline Send Email
covar.txt not getting written out with the Apr 19 2012 DEV version? Bill, I've been using the latest DEV version since soon after you posted it (About gives Version 2012 April 19) but my covar.txt file hadn't changed since the Posted - Fri May 18, 2012 10:01 pm	pbirtwhistle Offline Send Email
Re: calculating ephemerides from orbital elements Hi Bill, actually, I've realized I really only need the ephemerides for up to 30 days into the future - that should eliminate the need for perturbation (with Posted - Thu May 3, 2012 4:17 pm	Tomas scibuffcom Offline Send Email
Re: calculating ephemerides from orbital elements Hi Tomas, ... When you say "how to calculate", do you mean you want the actual math behind such calculations? Or do you just need software that can compute Posted - Thu May 3, 2012 2:54 pm	Bill J Gray pluto@... Send Email
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